What is the answer to 3x+3/2 x=12.15 ?

The answer to 3x+3/2 x=12.15 is x=2.7

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3x+3/2 x=12.15

3 x + \frac{3}{2} x = 12.15

x = 2.7

Solution steps

3 x + \frac{3}{2} x = 12.15

Multiply both sides by

2

9 x = 24.3

Divide both sides by

9

x = 2.7

- 8 z + 11 = - 10 - 5.5 z

\frac{x ^{2} - 4 x - 12}{x ^{2} - 1} \geq 0

y^{2} + y - 2

12 x + 1 = 3 (4 x + 1) - 2

∣ x + 10 ∣ < 3